Model 525 – The First -100°C Dry Block Calibrator

Model 525 – The First -100°C Dry Block Calibrator


  • No hazardous or expensive liquids
  • Stability of 0.02°C at -90°C
  • 20,000 hours of testing, equal to 10 years of use
  • Patented technology
  • Uses flexible heat pipe to transfer energy
  • UKAS/ILAC, NIST Traceable Certification availiable
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SKU: ISO-ISIS-525 Categories: , , ,


The Isis is a new technology Dry Block offering operation to temperatures as low as -100°C, and is the first dry block working to such low temperatures. Now it is possible to calibrate temperature sensors such as PRTs, Thermocouples and Thermisters at ultra low temperatures without the need for a liquid bath.